Birch Lake is a 1284-acre lake located near Hackensack, MN. There is a city-owned public access on the east shore in the city of Hackensack. The lake has 15 miles of shoreline and a maximum depth of 45 feet. Good fishing is available on Birch Lake for northern pike, walleye, crappie and largemouth bass. This lake is known for producing some quality walleye. Other fish include bluegill, rock bass and perch.